A fast discharge method and a fast discharge device

Abstract

The present invention discloses a rapid discharge method and a rapid discharge device, the rapid discharge method comprising: detecting the initial operating parameters of a target battery; discharging the target battery when the initial operating parameters reach the discharge condition; real-time monitoring of the current operating parameters of the target battery during the discharge process, and setting the discharge action of the target battery according to the current operating parameters; and stopping the discharge of the target battery when the current operating parameters do not meet the discharge condition. Compared with the prior art, the present invention can utilize the function of the mobile terminal device itself to discharge the target battery, reducing the damage to the target battery, and can adapt to the temperature range of the target battery during discharge, adjust the discharge action, and has strong versatility.

Description

Technical Field

[0001] The present invention relates to the field of intelligent household appliances, and in particular to a rapid discharge method and a rapid discharge device. Background Art

[0002] At present, the main methods of rapid battery discharge in the industry are as follows:

[0003] 1. Resistor discharge method: By connecting a resistor, the battery's electrical energy is converted into heat energy, thereby achieving rapid discharge. Select a suitable resistor whose resistance should match the battery's voltage and capacity; connect the two ends of the resistor to the positive and negative electrodes of the battery respectively, so that the resistor and the battery are connected in series; wait for the battery to discharge.

[0004] 2. Variable resistor discharge method: Connect the variable resistor to the rechargeable battery, adjust the variable resistor to obtain different discharge currents.

[0005] 3. Use a discharger: A discharger is a device specifically used to discharge batteries. It can quickly discharge lithium batteries by setting the discharge current and time. The discharger has multiple output ports and can discharge multiple batteries at the same time.

[0006] 4. Load resistor discharge: Load resistor is a resistor that can control the current by adjusting the resistance value. Connecting the load resistor to the positive and negative poles of the lithium battery can quickly discharge the battery.

[0007] 5. Increase discharge current: Increasing discharge current can accelerate the rate of electrochemical reaction, thereby achieving rapid discharge. However, it should be noted that excessive current may cause battery overheating and damage.

[0008] 6. Use high discharge rate batteries: Some batteries are designed for high discharge rates and can withstand greater current output, resulting in rapid discharge.

[0009] 7. Control battery temperature: Appropriately increasing the battery temperature can accelerate the electrochemical reaction, but too high a temperature will damage the performance and life of the battery.

[0010] 8. Use pulse discharge: The pulse discharge mode can effectively improve the discharge efficiency of the battery, reduce the influence of internal resistance, and achieve rapid discharge.

[0011] However, current discharge methods will have an adverse effect on the life of the battery. Frequent rapid discharge will accelerate the aging process of the battery and shorten its service life. If the battery can be discharged using the device's own functions, the above problems can be avoided.

[0012] Therefore, how to design a fast discharge method and a fast discharge device to avoid adverse effects on the life of the battery is a technical problem that needs to be solved urgently in the industry. Summary of the invention

[0013] In view of the problem that the discharge method in the prior art may have an adverse effect on the battery life, the present invention proposes a fast discharge method and a fast discharge device.

[0014] The technical solution of the present invention is to propose a rapid discharge method, comprising:

[0015] Detecting the initial operating parameters of the target battery;

[0016] When the initial operating parameters reach a discharge condition, discharging the target battery;

[0017] Real-time monitoring of current operating parameters of a target battery during discharge, and setting a discharge action of the target battery according to the current operating parameters;

[0018] When the current operating parameters do not meet the discharging condition, discharging the target battery is stopped.

[0019] Further, the target battery is a battery of a mobile terminal device;

[0020] The discharge action includes:

[0021] First discharge action: turning on the camera and flash of the mobile terminal device;

[0022] Second discharge action: adjusting the brightness of the display screen of the mobile terminal device;

[0023] The third discharging action: adjusting the CPU operating load of the mobile terminal device;

[0024] Fourth discharge action: turning on the music playing function of the mobile terminal device;

[0025] Fifth discharging action: turning on the wireless communication module of the mobile terminal device;

[0026] Sixth discharging action: reverse output through the charging interface of the mobile terminal device.

[0027] Further, the initial operating parameters include: initial power of the target battery, initial temperature of the target battery;

[0028] The current operating parameters include: the current power of the target battery and the current temperature of the target battery;

[0029] The discharging condition is: the initial power or current power of the target battery is higher than the target power, and the initial temperature or current temperature of the target battery is lower than the target temperature.

[0030] Further, setting the discharge action of the target battery according to the current operating parameters includes:

[0031] Determine the temperature interval of the current temperature of the target battery, and when the temperature interval of the target battery is in the first temperature interval, start the second discharge action, the third discharge action, the fourth discharge action, and the fifth discharge action;

[0032] When the temperature interval of the target battery is within the second temperature interval, starting all discharge actions;

[0033] When the temperature range of the target battery is within the third temperature range, starting the second discharge action, the third discharge action, the fourth discharge action, and the fifth discharge action;

[0034] When the temperature range of the target battery is within the fourth temperature range, all discharge actions are turned off.

[0035] Furthermore, the target temperature is 55°C, the first temperature range is 0-15°C, the second temperature range is 16°C-49°C, the third temperature range is 50°C-55°C, and the fourth temperature range is 56°C-60°C.

[0036] Furthermore, it also includes:

[0037] Real-time monitoring of the discharge parameters of the target battery during the discharge process;

[0038] When the discharge parameter exceeds a threshold parameter, discharging the target battery is stopped.

[0039] The present invention also proposes a fast discharge device, comprising: a main control module, a charging interface connected to the main control module, a music module, a communication module, a screen, a camera or a flash, and a logic judgment module, wherein the logic judgment module is also connected to a current detection module, a voltage detection module, and a temperature detection module;

[0040] The current detection module, the voltage detection module, and the temperature detection module are used to detect the discharge parameter of the target battery, and the logic judgment module is used to judge whether the discharge parameter exceeds the threshold parameter;

[0041] The charging interface, music module, communication module, screen, and camera or flash are used to perform a discharge action.

[0042] Further, the discharge parameters include: discharge voltage, discharge current, and operating temperature of the target battery;

[0043] The current detection module, the voltage detection module, and the temperature detection module each have at least one comparison unit, which is used to judge whether the discharge current exceeds the maximum discharge current, whether the discharge voltage exceeds the discharge cut-off voltage, and whether the operating temperature exceeds the target temperature, and the input ends of all the comparison units for obtaining the reference voltage are connected to the same series circuit;

[0044] The logic judgment module has at least one logic OR gate, and can output a discharge stop signal to the main control module when any discharge parameter exceeds a threshold parameter.

[0045] Furthermore, the current detection module includes: a resistor R1, a resistor R2, a resistor R10, and a comparator U1A;

[0046] The voltage detection module includes: a resistor R3, a resistor R4, a resistor R11, and a comparator U1B;

[0047] The temperature detection module includes: a resistor R5, a resistor R12, a thermistor RT1, and a comparator U1C;

[0048] The series circuit includes: a resistor R6, a resistor R7, a resistor R8, and a resistor R9;

[0049] One end of the resistor R1 is connected to the discharge current, the other end of the resistor R1 is connected in series with the resistor R2 and then grounded, one end of the resistor R3 is connected to the discharge voltage, the other end of the resistor R3 is connected in series with the resistor R4 and then grounded, one end of the resistor R5 is connected to a 5V power supply, the other end of the resistor R5 is connected in series with the thermistor RT1 and then grounded, one end of the resistor R6 is connected to a 5V power supply, one end of the resistor R6 is connected to a 5V power supply, the other end of the resistor R6 is connected in series with the resistor R7, the resistor R8, and the resistor R9 in sequence and then grounded;

[0050] The non-inverting input terminal of the comparator U1A is connected between the resistor R1 and the resistor R2, the inverting input terminal of the comparator U1A is connected between the resistor R6 and the resistor R7, and the output terminal of the comparator U1A is connected in series with the resistor R10 as the output terminal of the current detection module;

[0051] The non-inverting input terminal of the comparator U1B is connected between the resistor R3 and the resistor R4, the inverting input terminal of the comparator U1B is connected between the resistor R7 and the resistor R8, and the output terminal of the comparator U1B is connected in series with the resistor R11 as the output terminal of the voltage detection module;

[0052] The non-inverting input terminal of the comparator U1C is connected between the resistor R5 and the thermistor RT1, the inverting input terminal of the comparator U1C is connected between the resistor R8 and the resistor R9, and the output terminal of the comparator U1C is connected in series with the resistor R12 as the output terminal of the temperature detection module.

[0053] Furthermore, the logic judgment module includes: a resistor R13, a resistor R14, a switch tube Q1, an OR gate OR1, an OR gate OR2, and an OR gate OR3;

[0054] The first input end of the OR gate OR1 is connected to the output end of the current detection module, the second input end of the OR gate OR1 is connected to the output end of the voltage detection module, and the output end of the OR gate OR1 is connected to the first input end of the OR gate OR3;

[0055] The first input end of the OR gate OR2 is connected to the output end of the voltage detection module, the second input end of the OR gate OR2 is connected to the output end of the temperature detection module, and the output end of the OR gate OR2 is connected to the second input end of the OR gate OR3;

[0056] The output end of the OR gate OR3 is connected in series with the resistor R13 and then connected to the third end of the switch tube Q1. The first end of the switch tube Q1 is connected to a 5V power supply. The second end of the switch tube Q1 is connected to the main control module. One end of the resistor R14 is connected between the resistor R13 and the third end of the switch tube Q1, and the other end of the resistor R14 is connected between the second end of the switch tube Q1 and the main control module.

[0057] Compared with the prior art, the present invention has at least the following beneficial effects:

[0058] The discharge actions of the present invention are all based on the functions of the mobile terminal device itself, such as the camera, flash, display, etc. Compared with the current physical fast discharge scheme, it avoids adverse effects on the life of the battery. At the same time, during the discharge process, the present invention also monitors the current operating parameters of the target battery in real time, and sets the corresponding discharge action according to the current operating parameters, which can ensure the most reasonable and efficient discharge. In addition, the present invention also avoids the problem of abnormal discharge current, discharge voltage, and operating temperature of the target battery during the discharge process through the setting of the current detection module, the voltage detection module, the temperature detection module, and the logic judgment module, and further avoids damage to the target battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0060] Figure 1 is an overall flow chart of the rapid discharge method of the present invention;

[0061] Figure 2 It is an overall module diagram of the rapid discharge device of the present invention;

[0062] Figure 3 It is a connection diagram of the current detection module, the voltage detection module, the temperature detection module, and the logic judgment module in the present invention. DETAILED DESCRIPTION

[0063] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0064] Thus, a feature indicated in this specification will be used to illustrate one of the features of an embodiment of the present invention, rather than implying that each embodiment of the present invention must have the described feature. In addition, it should be noted that this specification describes many features. Although some features can be combined together to illustrate possible system designs, these features can also be used in other combinations that are not explicitly described. Thus, unless otherwise stated, the described combinations are not intended to be limiting.

[0065] The principle and structure of the present invention are described in detail below with reference to the accompanying drawings and embodiments.

[0066] The current rapid discharge method will have an adverse effect on the life of the battery. Frequent rapid discharge will accelerate the aging process of the battery and shorten its life. If the battery can be discharged using the device's own functions, this problem can be avoided.

[0067] Based on the above problems, the present invention proposes a rapid discharge method, which comprises the following steps:

[0068] Detecting the initial operating parameters of the target battery;

[0069] When the initial operating parameters reach the discharge condition, the target battery is discharged;

[0070] Monitor the current operating parameters of the target battery during discharge in real time, and set the discharge action of the target battery according to the current operating parameters;

[0071] When the current operating parameters do not meet the discharging condition, discharging the target battery is stopped.

[0072] It can be seen from the above discharge process that the discharge action of the present invention during the discharge process is adjusted according to the current operating parameters, which can not only ensure efficient discharge, but also avoid damage to the target battery to a certain extent.

[0073] Wherein, the target battery in the present invention is a battery of a mobile terminal device;

[0074] The mobile terminal device may be a mobile phone, a laptop computer, an iPad, etc. As described above, the discharge actions during discharge in the present invention are all implemented based on the functions of the device itself, that is, the discharge actions in the present invention are performed based on the functions of the mobile terminal device itself, such as turning on the camera and flash of the mobile terminal device, adjusting the screen brightness, etc. This discharge method has the least damage to the target battery;

[0075] Specifically, the discharge action in the present invention includes:

[0076] The first discharge action: turning on the camera and flash of the mobile terminal device;

[0077] Second discharge action: adjusting the display brightness of the mobile terminal device;

[0078] The third discharge action: adjusting the CPU operation load of the mobile terminal device;

[0079] Fourth discharge action: turning on the music playing function of the mobile terminal device;

[0080] Fifth discharge action: turning on the wireless communication module of the mobile terminal device;

[0081] Sixth discharging action: reverse output through the charging interface of the mobile terminal device.

[0082] It should be noted that the above six discharge actions are only discharge actions in a preferred embodiment of the present invention. In other embodiments of the present invention, only some of the discharge actions may be selected, which can also achieve the same discharge effect.

[0083] The above-mentioned discharge actions are all allocated and set based on the current operating parameters of the target battery during the discharge process. Specifically, the current operating parameters in the present invention include: the current power of the target battery and the current temperature of the target battery;

[0084] Here, the current power of the target battery is used to control whether the discharge action is executed. If the current power of the target battery is lower than the target power, that is, the standard for completing the discharge has been reached, all discharge actions can be stopped and the target battery can be stopped from being discharged.

[0085] The current temperature of the target battery is used to allocate the discharge action. In the present invention, the temperature range of the current temperature of the target battery is divided into four temperature ranges, and each temperature range corresponds to a different discharge action, thereby ensuring the best discharge effect on the target battery;

[0086] Based on the above setting of the current operating parameters, the initial operating parameters in the present invention are also correspondingly set to the initial power of the target battery and the initial temperature of the target battery;

[0087] The discharge condition is set as follows: the initial power or current power of the target battery is higher than the target power, and the initial temperature or current temperature of the target battery is lower than the target temperature;

[0088] Based on the above settings, the present invention will only perform the discharge action when the initial power of the target battery is higher than the target power and the initial temperature of the target battery is lower than the target temperature. The target power is preferably 19% and the target temperature is preferably the highest temperature that will not damage the battery, which is set to 55°C.

[0089] That is, the present invention will discharge the target battery only when the initial power of the target battery is higher than 19% and the initial temperature is lower than 55°C, and will monitor the current operating parameters of the target battery in real time during the discharge process. If the above discharge conditions are not met, the discharge action of the target battery will be stopped;

[0090] See also Figure 1 , which is a flow chart of discharging a target battery in the present invention, wherein “setting a target power and a target temperature” is first executed, where the target power is set to 19% and the target temperature is set to 55%;

[0091] Then, the judgments of "the current power is lower than the target power" and "the current temperature is higher than the target temperature" are respectively performed. Only when both judgments are negative, that is, when the initial operating parameters meet the discharge conditions, will the target battery be discharged;

[0092] During the discharge process, it is necessary to "record the current battery power and temperature", that is, to detect the current operating parameters in real time;

[0093] When any one of the following conditions is met: "the current power reaches the target power" or "the current temperature reaches the target temperature", the discharge is stopped. Figure 1 "Close all functions" in the menu, otherwise enter the setting of discharge action;

[0094] Attached Figure 1 Only the execution process of the flash and the camera (i.e., the first discharge action) when the temperature is 50°C is given. In a preferred embodiment of the present invention, the temperature range of the target battery is divided into four, and different discharge actions are configured according to the four different temperature ranges;

[0095] Specifically, the discharge action of the target battery is set according to the current operating parameters, including:

[0096] Determine the temperature interval of the current temperature of the target battery, and when the temperature interval of the target battery is in the first temperature interval, start the second discharge action, the third discharge action, the fourth discharge action, and the fifth discharge action;

[0097] When the temperature range of the target battery is within the second temperature range, all discharge actions are started;

[0098] When the temperature range of the target battery is within the third temperature range, starting the second discharge action, the third discharge action, the fourth discharge action, and the fifth discharge action;

[0099] When the temperature range of the target battery is within the fourth temperature range, all discharge actions are turned off.

[0100] It can be seen that the present invention is configured with corresponding discharge actions in the four temperature ranges, thereby ensuring the best discharge efficiency.

[0101] Among them, the first temperature range is 0-15°C, the second temperature range is 16°C-49°C, the third temperature range is 50°C-55°C, and the fourth temperature range is 56°C-60°C.

[0102] It can be seen from the above temperature interval settings that the temperature in the fourth temperature interval is greater than the target temperature. Therefore, in the fourth temperature interval, the present invention performs the discharge function as closing all discharge actions, that is, stopping the discharge.

[0103] In addition, during the process of discharging the target battery, the discharge parameters may be abnormal due to abnormalities in some devices. If the discharge continues, the target battery may be damaged. To avoid the above problems, the fast discharge method proposed in the present invention includes:

[0104] Real-time monitoring of the discharge parameters of the target battery during the discharge process;

[0105] When the discharge parameter exceeds the threshold parameter, discharging the target battery is stopped.

[0106] The discharge parameters include: discharge current, discharge voltage, and operating temperature. When any of the discharge parameters exceeds the threshold parameter, it indicates that the target battery has a discharge abnormality and needs to stop discharging.

[0107] Among them, the above discharge parameters need to meet the general standards of the battery industry, that is, the maximum discharge current is 3.6A, the discharge cut-off voltage is 3V, and the target battery operating temperature is -20 ~ 60 ° C;

[0108] When any of the above operating parameters does not meet the above conditions, it is necessary to stop discharging to avoid damage to the target battery.

[0109] Based on the above settings, the discharge mechanisms that can be pointed out by the target battery in the present invention are:

[0110] 1. The maximum fast discharge of 0.7C can be achieved at room temperature of 23±2℃;

[0111] 2. 0.2C fast discharge can be achieved at low temperature of 0-15℃;

[0112] 3. 0.2C fast discharge can be achieved at high temperature of 50℃~60℃;

[0113] 4. When the temperature reaches the above range, the discharge current will be automatically switched.

[0114] Furthermore, based on the above-mentioned fast discharge method, the present invention also proposes a fast discharge device, which is mainly used for detecting the above-mentioned discharge parameters and avoiding the damage to the target battery caused by the discharge parameters exceeding the threshold parameters;

[0115] Specifically, the fast discharge device proposed in the present invention includes: a main control module, a charging interface connected to the main control module, a music module, a communication module, a screen, a camera or a flash, and a logic judgment module, wherein the logic judgment module is also connected to a current detection module, a voltage detection module, and a temperature detection module;

[0116] The current detection module, the voltage detection module, and the temperature detection module are used to detect the discharge parameters of the target battery, and the logic judgment module is used to judge whether the discharge parameters exceed the threshold parameters;

[0117] The charging port, the music module, the communication module, the screen, and the camera or the flash are used to perform the discharge action.

[0118] See also Figure 2 The main control unit, i.e., MCU, and the camera and flash connected thereto are mainly used to perform the first discharge action;

[0119] The screen connected to the main control unit is also the display screen of the mobile terminal device, which is mainly used to perform the second discharge action;

[0120] The communication module connected to the main control unit is a wireless communication module, which is mainly used to perform the fifth discharge action;

[0121] The music module connected to the main control unit is used to perform the fourth discharge action;

[0122] The charging interface connected to the main control unit is used to perform the sixth discharging action;

[0123] For the third discharge action, the CPU is generally a functional component of the motherboard itself, so it is not attached. Figure 2 It can be expressed in, which can be realized by the control of the main control unit itself;

[0124] The above-mentioned current detection module is used to detect the discharge current of the target battery, the voltage detection module is used to detect the discharge voltage of the target battery, the temperature detection module is used to detect the operating temperature of the target battery during the discharge process, and the logic judgment module is mainly used to perform logic judgment to ensure that when any of the above-mentioned discharge parameters exceeds the threshold parameter, a corresponding signal can be sent to the main control unit to stop the discharge action.

[0125] Based on the above design, the present invention can realize real-time detection of discharge parameters, and stop discharging when the discharge parameters exceed the threshold parameters to protect the target battery.

[0126] Furthermore, the above-mentioned current detection module, voltage detection module, and temperature detection module each have at least one comparison unit, which is used to determine whether the discharge current exceeds the maximum discharge current, whether the discharge voltage exceeds the discharge cut-off voltage, and whether the operating temperature exceeds the target temperature, and the input terminals of all comparison units for obtaining the reference voltage are connected to the same series circuit;

[0127] The logic judgment module has at least one logic OR gate, and can output a discharge stop signal to the main control module when any discharge parameter exceeds a threshold parameter.

[0128] Here, the comparison unit can be set as a comparator, which is used to compare with the reference voltage to determine whether the discharge current exceeds the maximum discharge current, whether the discharge voltage exceeds the discharge cut-off voltage, and whether the operating temperature exceeds the target temperature;

[0129] In the present invention, the input terminals of all comparison units used to obtain the reference voltage are connected to the same series circuit, which can save the use of devices to the greatest extent. At the same time, since different comparators need to be configured with different reference voltages, after the present invention adopts the above-mentioned series connection method, due to the effect of series voltage division, the voltage between any two resistors can be different. Then, the input terminal of the comparator used to obtain the reference voltage is connected to different positions, so that different reference voltages can be obtained.

[0130] Compared with the traditional solution, the present invention only needs to set up one series circuit to provide multiple reference voltages, eliminating the design of multiple reference voltage circuits and reducing circuit design costs.

[0131] See also Figure 3 , the current detection module in the present invention includes: a resistor R1, a resistor R2, a resistor R10, and a comparator U1A;

[0132] The voltage detection module includes: a resistor R3, a resistor R4, a resistor R11, and a comparator U1B;

[0133] The temperature detection module includes: resistor R5, resistor R12, thermistor RT1, and comparator U1C;

[0134] The series circuit includes: resistor R6, resistor R7, resistor R8, resistor R9;

[0135] One end of the resistor R1 is connected to the discharge current, the other end of the resistor R1 is connected in series with the resistor R2 and then grounded, one end of the resistor R3 is connected to the discharge voltage, the other end of the resistor R3 is connected in series with the resistor R4 and then grounded, one end of the resistor R5 is connected to the 5V power supply, the other end of the resistor R5 is connected in series with the thermistor RT1 and then grounded, one end of the resistor R6 is connected to the 5V power supply, one end of the resistor R6 is connected to the 5V power supply, the other end of the resistor R6 is connected in series with the resistors R7, R8, and R9 in sequence and then grounded;

[0136] The non-inverting input terminal of the comparator U1A is connected between the resistor R1 and the resistor R2, the inverting input terminal of the comparator U1A is connected between the resistor R6 and the resistor R7, and the output terminal of the comparator U1A is connected in series with the resistor R10 as the output terminal of the current detection module;

[0137] The non-inverting input terminal of the comparator U1B is connected between the resistor R3 and the resistor R4, the inverting input terminal of the comparator U1B is connected between the resistor R7 and the resistor R8, and the output terminal of the comparator U1B is connected in series with the resistor R11 as the output terminal of the voltage detection module;

[0138] The non-inverting input terminal of the comparator U1C is connected between the resistor R5 and the thermistor RT1, the inverting input terminal of the comparator U1C is connected between the resistor R8 and the resistor R9, and the output terminal of the comparator U1C is connected in series with the resistor R12 as the output terminal of the temperature detection module.

[0139] Furthermore, the logic judgment module includes: a resistor R13, a resistor R14, a switch tube Q1, an OR gate OR1, an OR gate OR2, and an OR gate OR3;

[0140] A first input terminal of the OR gate OR1 is connected to an output terminal of the current detection module, a second input terminal of the OR gate OR1 is connected to an output terminal of the voltage detection module, and an output terminal of the OR gate OR1 is connected to a first input terminal of the OR gate OR3;

[0141] A first input terminal of the OR gate OR2 is connected to an output terminal of the voltage detection module, a second input terminal of the OR gate OR2 is connected to an output terminal of the temperature detection module, and an output terminal of the OR gate OR2 is connected to a second input terminal of the OR gate OR3;

[0142] The output end of the OR gate OR3 is connected in series with the resistor R13 and then connected to the third end of the switch tube Q1. The first end of the switch tube Q1 is connected to a 5V power supply, the second end of the switch tube Q1 is connected to the main control module, one end of the resistor R14 is connected between the resistor R13 and the third end of the switch tube Q1, and the other end of the resistor R14 is connected between the second end of the switch tube Q1 and the main control module.

[0143] See also Figure 3 The working principles of the above current detection module, voltage detection module, temperature detection module, and logic judgment module are as follows:

[0144] Resistors R6, R7, R8 and R9 are connected in series for voltage division, and the voltage on each resistor is proportional to its resistance value. The inverting input terminal of comparator U1A is connected to between resistor R6 and resistor R7 to obtain a reference voltage, and its voltage magnitude is 5*(R7+R8+R9) / (R6+R7+R8+R9). The inverting input terminal of comparator U1B is connected to between resistor R7 and resistor R8 to obtain a reference voltage, and its voltage magnitude is 5*(R8+R9) / (R6+R7+R8+R9). The inverting input terminal of comparator U1C is connected to between resistor R8 and resistor R9 to obtain a reference voltage, and its voltage magnitude is 5*(R8+R9) / (R6+R7+R8+R9).

[0145] The discharge current is connected to one end of resistor R1 and converted into voltage through the resistor. According to Ohm's law, the voltage on resistor R2 is Io*R2. The non-inverting input of comparator U1A is connected between resistor R1 and resistor R2 to obtain a voltage of Io*R2. By setting the resistance value of resistor R2, when the discharge current exceeds the maximum discharge current of 3.6A, the voltage at the non-inverting input of comparator U1A is higher than the voltage at the inverting input. At this time, comparator U1A outputs a high-level signal. That is, the working principle of the current detection module is to set the resistance values ​​of resistors R2, R6, R7, R8, and R9 so that a high-level signal is output when the discharge current exceeds the maximum discharge current of 3.6A, and a low-level signal is output otherwise.

[0146] The working principles of the voltage detection module and the temperature detection module are similar to those of the current detection module. For the voltage detection module, the voltage obtained at the in-phase input terminal of the comparator U1B is set according to the voltage division of the resistors R3 and R4, and its size is Vo*R4 / (R3+R4). By setting the resistance values ​​of the resistors R3, R4, R6, R7, R8, and R9, when the discharge voltage of the comparator U1B exceeds the discharge cut-off voltage by 3V, the voltage at the in-phase input terminal is higher than the voltage at the inverting input terminal. At this time, the voltage detection module outputs a high-level signal, otherwise it outputs a low-level signal.

[0147] For the temperature detection module, the voltage obtained at the non-inverting input terminal of the comparator U1C is set according to the voltage division of the resistor R5 and the thermistor RT1. Unlike the current detection module and the voltage detection module, the resistor R5 in the temperature detection module provides a stable voltage. The voltage obtained at the non-inverting input terminal of the comparator U1C is 5*RT1 / (R5+RT1), and its size changes according to the size of the thermistor RT1. Since the resistance value of the thermistor changes with temperature, it is only necessary to select a suitable thermistor so that its voltage is higher than the voltage of the inverting input terminal of the comparator U1C when the temperature exceeds the target temperature, thereby satisfying the above logic and outputting a high-level signal when the operating temperature of the target battery exceeds the target temperature, and outputting a low-level signal otherwise.

[0148] For the logic judgment module, the two input ends of the OR gate OR1 are respectively connected to the output end of the current detection module and the output end of the voltage detection module. Therefore, when any one of the current detection module and the voltage detection module outputs a high level signal, the OR gate OR1 will output a high level signal. Similarly, the OR gate OR2 outputs a high level signal when any one of the voltage detection module and the temperature detection module outputs a high level signal. The OR gate OR3 outputs a high level signal when any one of the OR gates OR1 and OR2 outputs a high level signal. That is, for the OR gate OR3, as long as any one of the current detection module, the voltage detection module, and the temperature detection module outputs a high level signal, it will output a high level signal. Since the OR gate OR3 is connected to the third end of the switch tube Q1, that is, the control end, through the resistor R13, the switch tube Q1 is turned on when the OR gate OR3 outputs a high level signal. At this time, the 5V power supply is connected to the MCU, and the MCU can receive the high level signal.

[0149] To sum up, the working principle of the current detection module, voltage detection module, temperature detection module, and logic judgment module in the present invention is: when any one of the discharge current, discharge voltage, and operating temperature exceeds its threshold parameter, a high-level signal is output to the main control module, that is, when any discharge parameter exceeds the threshold parameter, the main control module outputs a high-level signal. At this time, the main control module can control all discharge actions to stop and stop discharging, thereby avoiding the problem of abnormal discharge current, discharge voltage, and operating temperature of the target battery during the discharge process, and further avoiding damage to the target battery.

[0150] The above-mentioned discharge schemes in the present invention can all manage the battery voltage, current, capacity, temperature, etc. with the help of the Service component and BroadcastReceiver component technology in the Android system of the mobile terminal device, and call the device-related functions based on the Android system architecture and related API interfaces to enable rapid discharge.

[0151] The maximum discharge current of the present invention can reach 3.6A. For a voltage of 5000mA, under good ventilation conditions (temperature within 16-49°C), the discharge can be completed within 1.39 hours.

[0152] In summary, compared with the prior art, the present invention has at least the following beneficial effects:

[0153] The discharge actions of the present invention are all based on the functions of the mobile terminal device itself, such as the camera, flash, display, etc. Compared with the current physical fast discharge scheme, it avoids adverse effects on the life of the battery. At the same time, during the discharge process, the present invention also monitors the current operating parameters of the target battery in real time, and sets the corresponding discharge action according to the current operating parameters, which can ensure the most reasonable and efficient discharge. In addition, the present invention also avoids the problem of abnormal discharge current, discharge voltage, and operating temperature of the target battery during the discharge process through the setting of the current detection module, the voltage detection module, the temperature detection module, and the logic judgment module, and further avoids damage to the target battery.

[0154] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rapid discharge method, characterized in that: include: Detecting the initial operating parameters of the target battery; When the initial operating parameters reach a discharge condition, discharging the target battery; Real-time monitoring of current operating parameters of a target battery during discharge, and setting a discharge action of the target battery according to the current operating parameters; When the current operating parameters do not meet the discharging condition, discharging the target battery is stopped.

2. The rapid discharge method according to claim 1, characterized in that: The target battery is a battery of a mobile terminal device; The discharge action includes: First discharge action: turning on the camera and flash of the mobile terminal device; Second discharge action: adjusting the brightness of the display screen of the mobile terminal device; The third discharging action: adjusting the CPU operating load of the mobile terminal device; Fourth discharge action: turning on the music playing function of the mobile terminal device; Fifth discharging action: turning on the wireless communication module of the mobile terminal device; Sixth discharging action: reverse output through the charging interface of the mobile terminal device.

3. The rapid discharge method according to claim 1, characterized in that: The initial operating parameters include: the initial power of the target battery and the initial temperature of the target battery; The current operating parameters include: the current power of the target battery and the current temperature of the target battery; The discharging condition is: the initial power or current power of the target battery is higher than the target power, and the initial temperature or current temperature of the target battery is lower than the target temperature.

4. The rapid discharge method according to claim 3, characterized in that: Setting the discharge action of the target battery according to the current operating parameters includes: Determine the temperature interval of the current temperature of the target battery, and when the temperature interval of the target battery is in the first temperature interval, start the second discharge action, the third discharge action, the fourth discharge action, and the fifth discharge action; When the temperature interval of the target battery is within the second temperature interval, starting all discharge actions; When the temperature range of the target battery is within the third temperature range, starting the second discharge action, the third discharge action, the fourth discharge action, and the fifth discharge action; When the temperature range of the target battery is within the fourth temperature range, all discharge actions are turned off.

5. The rapid discharge method according to claim 4, characterized in that: The target temperature is 55°C, the first temperature range is 0-15°C, the second temperature range is 16°C-49°C, the third temperature range is 50°C-55°C, and the fourth temperature range is 56°C-60°C.

6. The rapid discharge method according to claim 1, characterized in that: Also includes: Real-time monitoring of the discharge parameters of the target battery during the discharge process; When the discharge parameter exceeds a threshold parameter, discharging the target battery is stopped.

7. A fast discharge device using the fast discharge method according to any one of claims 1 to 6, characterized in that: include: A main control module, a charging interface connected to the main control module, a music module, a communication module, a screen, a camera or a flash, and a logic judgment module, wherein the logic judgment module is also connected to a current detection module, a voltage detection module, and a temperature detection module; The current detection module, the voltage detection module, and the temperature detection module are used to detect the discharge parameter of the target battery, and the logic judgment module is used to judge whether the discharge parameter exceeds the threshold parameter; The charging interface, music module, communication module, screen, and camera or flash are used to perform a discharge action.

8. The rapid discharge device according to claim 7, characterized in that: The discharge parameters include: discharge voltage, discharge current, and operating temperature of the target battery; The current detection module, the voltage detection module, and the temperature detection module each have at least one comparison unit, which is used to judge whether the discharge current exceeds the maximum discharge current, whether the discharge voltage exceeds the discharge cut-off voltage, and whether the operating temperature exceeds the target temperature, and the input ends of all the comparison units for obtaining the reference voltage are connected to the same series circuit; The logic judgment module has at least one logic OR gate, and can output a discharge stop signal to the main control module when any discharge parameter exceeds a threshold parameter.

9. The rapid discharge device according to claim 8, characterized in that: The current detection module includes: a resistor R1, a resistor R2, a resistor R10, and a comparator U1A; The voltage detection module includes: a resistor R3, a resistor R4, a resistor R11, and a comparator U1B; The temperature detection module includes: a resistor R5, a resistor R12, a thermistor RT1, and a comparator U1C; The series circuit includes: a resistor R6, a resistor R7, a resistor R8, and a resistor R9; One end of the resistor R1 is connected to the discharge current, the other end of the resistor R1 is connected in series with the resistor R2 and then grounded, one end of the resistor R3 is connected to the discharge voltage, the other end of the resistor R3 is connected in series with the resistor R4 and then grounded, one end of the resistor R5 is connected to a 5V power supply, the other end of the resistor R5 is connected in series with the thermistor RT1 and then grounded, one end of the resistor R6 is connected to a 5V power supply, one end of the resistor R6 is connected to a 5V power supply, the other end of the resistor R6 is connected in series with the resistor R7, the resistor R8, and the resistor R9 in sequence and then grounded; The non-inverting input terminal of the comparator U1A is connected between the resistor R1 and the resistor R2, the inverting input terminal of the comparator U1A is connected between the resistor R6 and the resistor R7, and the output terminal of the comparator U1A is connected in series with the resistor R10 as the output terminal of the current detection module; The non-inverting input terminal of the comparator U1B is connected between the resistor R3 and the resistor R4, the inverting input terminal of the comparator U1B is connected between the resistor R7 and the resistor R8, and the output terminal of the comparator U1B is connected in series with the resistor R11 as the output terminal of the voltage detection module; The non-inverting input terminal of the comparator U1C is connected between the resistor R5 and the thermistor RT1, the inverting input terminal of the comparator U1C is connected between the resistor R8 and the resistor R9, and the output terminal of the comparator U1C is connected in series with the resistor R12 as the output terminal of the temperature detection module.

10. The rapid discharge device according to claim 8, characterized in that: The logic judgment module includes: a resistor R13, a resistor R14, a switch tube Q1, an OR gate OR1, an OR gate OR2, and an OR gate OR3; The first input end of the OR gate OR1 is connected to the output end of the current detection module, the second input end of the OR gate OR1 is connected to the output end of the voltage detection module, and the output end of the OR gate OR1 is connected to the first input end of the OR gate OR3; The first input end of the OR gate OR2 is connected to the output end of the voltage detection module, the second input end of the OR gate OR2 is connected to the output end of the temperature detection module, and the output end of the OR gate OR2 is connected to the second input end of the OR gate OR3; The output end of the OR gate OR3 is connected in series with the resistor R13 and then connected to the third end of the switch tube Q1. The first end of the switch tube Q1 is connected to a 5V power supply. The second end of the switch tube Q1 is connected to the main control module. One end of the resistor R14 is connected between the resistor R13 and the third end of the switch tube Q1, and the other end of the resistor R14 is connected between the second end of the switch tube Q1 and the main control module.

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